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经营范围
发明名称
Recovery of tar acids
摘要
申请公布号
US1825809(A)
申请公布日期
1931.10.06
申请号
US19270206370
申请日期
1927.07.16
申请人
THE BARRETT COMPANY
发明人
MILLER STUART PARMELEE
分类号
B01D53/14;C07C37/00
主分类号
B01D53/14
代理机构
代理人
主权项
地址
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